Dry peroiods analysis

Part 1: EDA

YVR

## [1] "../drought_code_yvr/data/YVR_maxtemp_avgexc_bymonth.csv"

## [1] "../drought_code_yvr/data/YVR_maxtemp_exc_over90th.csv"

plot Maximum Consecutive Dry Days by Month with year-month

Plot avg exc

Kelowna

plot Maximum Consecutive Dry Days by Month with year-month

Plot the consecutive dry days for Kelowna, starting from 1940, Kelowna has data from 1899 to 2024.

Plot avg exc

Prince George

plot Maximum Consecutive Dry Days by Month with year-month

Plot avg exc

FortNelson

plot Maximum Consecutive Dry Days by Month with year-month

Plot avg exc

Abbotsford

plot Maximum Consecutive Dry Days by Month with year-month

Plot avg exc

Part 2: Correlation

scatter plot with top20 colored

Part 3: Ranking

avgexc

combine all station avgexc data

avgexc total year all stations scatter

## # A tibble: 30 × 10
##    begin     end   starttemp endtemp avgexc  year month station  rank yrmon     
##    <chr>     <chr>     <dbl>   <dbl>  <dbl> <int> <int> <chr>   <dbl> <date>    
##  1 2014-01-… 2014…      -1.6   14.9   11.6   2014     1 FortNe…     1 2014-01-01
##  2 2003-01-… 2003…       6.5    1.6   10.3   2003     1 FortNe…     2 2003-01-01
##  3 1943-12-… 1943…       7.2    2.8    9.69  1943    12 FortNe…     3 1943-12-01
##  4 2006-12-… 2006…       0.3    4.3    9.60  2006    12 FortNe…     4 2006-12-01
##  5 1979-11-… 1979…      11.5    6.4    9.41  1979    11 FortNe…     5 1979-11-01
##  6 2021-06-… 2021…      27.9   32.1    9.17  2021     6 Abbots…     1 2021-06-01
##  7 2024-01-… 2024…      14.3   -1      8.74  2024     1 FortNe…     6 2024-01-01
##  8 1943-11-… 1943…       7.8    2.8    8.73  1943    11 FortNe…     7 1943-11-01
##  9 1986-12-… 1986…       4.8   -1.3    8.59  1986    12 FortNe…     8 1986-12-01
## 10 1997-12-… 1997…       4.4   -0.75   8.42  1997    12 FortNe…     9 1997-12-01
## # ℹ 20 more rows

avgexc SUMMER all stations scatter

avgexc for specific year

1941

2021

max_consec

Rank the stations based on the number of dry days